feat: display end txs message in the activity tab #8065

Job	Run time
Build Lace	10m 6s
Prepare	9m 44s
When core changed	5s
When staking change	9s
Run Chromatic check: Core	3m 37s
Release package	6m 32s
Unit tests	9m 17s
Run Chromatic check: Staking	3m 16s
Smoke e2e tests (1)	3m 59s
Smoke e2e tests (2)	3m 7s
Smoke e2e tests (3)	2m 44s
Smoke e2e tests (4)	5m 58s
Smoke e2e tests (5)	3m 22s
Smoke e2e tests (6)	3m 15s
Smoke e2e tests (7)	5m 8s
Smoke e2e tests (8)	4m 20s
Smoke e2e tests (9)	2m 5s
Smoke e2e tests (10)	2m 3s
Smoke e2e tests (11)	2m 23s
Smoke e2e tests (12)	10m 5s
Smoke e2e tests (13)	5m 18s
Smoke e2e tests (14)	3m 38s
Smoke e2e tests (15)	3m 5s
Smoke e2e tests (16)	2m 23s
Process smoke e2e test reports	31s
	1h 46m 10s

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